A malefic Saturn in one’s horoscope is believed to cause miseries and hardships which can be reduced by worshipping him.

According to astrology, Saneeswaran moves from one sign (house) to the next in the Zodiac once in 2-1/2 years and the day of his transit is observed as a festival in Thirunallar called as ‘Shani Peyarchi’. ‘Peyarchi’ in Tamil means transit.

When Saneeswaran moves to the 12th, 1st and 2nd house, it is called as ‘7 1/2 Naatu Sani’ or ‘Sade Sathy’; when in the 4th house, it is named as ‘Arthashtama Sani’; when Lord Sani is in the 8th house, it is called as ‘Arthastama Sani’.

Sani Dasa period in a person’s life comes for efeect for 19 years calculated according to the birth star. For people who were born in the ‘Poosaam’, ‘Anusham’ and ‘Uthirattathy’ which are Lord sani’s stars start their life with Sani Maha dasa as per Vimsothiri dasa calculations.

In all the Dasa’s of the other Navagraha Gods also Sani’s rule falls in some particular periods called Sani Bukthi. For example in Shukra dasa period Sani Bukthi period is for 3 years and six months which comes after the Guru Bukthi period.

During these periods, Lord Sani troubles the peoples. Problems from Government and superiors, relatives, friends, wife, children, infuriated further with slowdown or heavy losses in business, loss of property, leprosy are caused by transit of Sani.